Stenodryas ventralis （Gahan, 1906） is reported from China for the first time. A simple description of this newly-recorded species and a key to the Chinese species of the genus Stenodryas Bates is provided. The speci...Stenodryas ventralis （Gahan, 1906） is reported from China for the first time. A simple description of this newly-recorded species and a key to the Chinese species of the genus Stenodryas Bates is provided. The specimens examined are deposited in the Insect Collection of Southwest University.展开更多
Corbels support the crossbeams of half-through arch bridges. They are prone to cracking easily due to their characteristics and complicated loading conditions. Based on a practical diagnosis of a bridge crossbeam, we ...Corbels support the crossbeams of half-through arch bridges. They are prone to cracking easily due to their characteristics and complicated loading conditions. Based on a practical diagnosis of a bridge crossbeam, we bonded steel plates onto bridge corbels to strengthen them. We carried out a numerical analysis on the effectiveness of the reinforcement by using the commercial sof^are ANSYS. The numerical analysis shows that the stresses near the section break increased slightly, but the variation amplitude was small and all the stresses were within an allowable range. The loading test indicates that it is feasible to strengthen the corbel with vertical bonded steel plates. Therefore, the reinforcement is effective and economical. This reinforcement method is suitable for this type of corbel and can be applied in similar cases.展开更多
基金supported by the Ministry of Science and Technology of China (2006FY120100)
文摘Stenodryas ventralis （Gahan, 1906） is reported from China for the first time. A simple description of this newly-recorded species and a key to the Chinese species of the genus Stenodryas Bates is provided. The specimens examined are deposited in the Insect Collection of Southwest University.
文摘Corbels support the crossbeams of half-through arch bridges. They are prone to cracking easily due to their characteristics and complicated loading conditions. Based on a practical diagnosis of a bridge crossbeam, we bonded steel plates onto bridge corbels to strengthen them. We carried out a numerical analysis on the effectiveness of the reinforcement by using the commercial sof^are ANSYS. The numerical analysis shows that the stresses near the section break increased slightly, but the variation amplitude was small and all the stresses were within an allowable range. The loading test indicates that it is feasible to strengthen the corbel with vertical bonded steel plates. Therefore, the reinforcement is effective and economical. This reinforcement method is suitable for this type of corbel and can be applied in similar cases.
